Well, the Hijri date 19 Dhul Hijjah 1241 corresponds to the Gregorian date Monday, 24 July 1826. This date lies in the twelfth month of the Hijri year 1241 AH, which is Dhu Al-Hijjah of 1241 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1241/12/19 is calculated using the Umm Al-Qura calendar and the sighting of the moon. One thing to remember is that this Arabic date may occur on different Gregorian date depending upon the region and country and obviously the moon.
If you are still not sure about the date then you can use our Arabic date converter.
The following is the conversion of the Gregorian date 24 July 1826 to its equivalent Arabic date.
The following is the conversion of the Arabic date 19 Dhul Hijjah 1241 AH to its equivalent Gregorian date.
وَإِذَا جَآءُوكُمْ قَالُوٓا۟ ءَامَنَّا وَقَد دَّخَلُوا۟ بِٱلْكُفْرِ وَهُمْ قَدْ خَرَجُوا۟ بِهِۦ ۚ وَٱللَّهُ أَعْلَمُ بِمَا كَانُوا۟ يَكْتُمُونَ
When they come unto you (Muslims), they say: We believe; but they came in unbelief and they went out in the same; and Allah knoweth best what they were hiding.
Surah Al-Maaida(5:61)